ClassID:

71938

B64C11/002 - CPC Classification

Classification description:

Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft Braking propellers, e.g. for measuring the power output of an engine

Recent Application in this class:
#1
20250269973
2025-08-28

SYSTEMS AND METHODS FOR PROPULSOR PARKING

#2
20250083797
2025-03-13

PROPULSION DEVICE, PROPULSION CONTROL DEVICE, AND COMPUTER READABLE STORAGE MEDIUM

#3
20240278923
2024-08-22

Propulsor brake lock

#4
20230322356
2023-10-12

Rotary wing aircraft

#5
20230192309
2023-06-22

Propeller driven backup cooling pump system for electric motor converter

#6
20230117303
2023-04-20

Method and system for regulation of speed and position of a rotor in wing-borne flight

#7
20220388668
2022-12-08

Aircraft Safety Livesaving System

#8
20210300574
2021-09-30

Aircraft propulsion system and methods of feathering

#9
20200174498
2020-06-04

Unmanned aerial vehicle drag augmentation by reverse propeller rotation

#10
20200115037
2020-04-16

System and method for slowing down aircraft

#11
20180209443
2018-07-26

Aircraft comprising a turbine engine incorporated into the rear fuselage comprising a system for blocking the fans

#12
20180065729
2018-03-08

Quiet slat propeller

#13
20170137142
2017-05-18

System for aligning a propeller

#14
20160318600
2016-11-03

Mechanically self-regulated propeller

#15
20160280364
2016-09-29

Emergency stop for blades of drone

#16
20160147232
2016-05-26

Unmanned aerial vehicle drag augmentation by reverse propeller rotation

#17
20150114772
2015-04-30

Rotor brake

#18
20150112515
2015-04-23

Rotor brake control system

#19
20150053824
2015-02-26

Unmanned aircraft with failsafe system

#20
20150008857
2015-01-08

System for aligning a propeller

#21
20140353432
2014-12-04

Unmanned aerial vehicle drag augmentation by reverse propeller rotation

#22
20120181388
2012-07-19

Unmanned aerial vehicle drag augmentation by reverse propeller rotation

#23
18929503
2025-07-08

Propeller ground stop mechanism

#24
18504869
2024-12-03

Propeller ground stop mechanism

#25
17732774
2023-07-04

System for propeller parking control for an electric aircraft and a method for its use

#26
17480102
2023-12-19

Propeller ground stop mechanism